X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fpastposix-functions%2Fusleep.texi;h=8ca0da9e5179334089d4de420efc0167e7df5bc1;hb=14b6d70139486b63e66257aad1abe2a9615f4d96;hp=507395c651385398a0bb1f89729c7de8cf672d10;hpb=3b87bfe5292b83efbdbc2ac366cef148550f9d4e;p=gnulib.git diff --git a/doc/pastposix-functions/usleep.texi b/doc/pastposix-functions/usleep.texi index 507395c65..8ca0da9e5 100644 --- a/doc/pastposix-functions/usleep.texi +++ b/doc/pastposix-functions/usleep.texi @@ -4,18 +4,24 @@ POSIX specification: @url{http://www.opengroup.org/susv3xsh/usleep.html} -Gnulib module: --- +Gnulib module: usleep Portability problems fixed by Gnulib: @itemize +@item +On some systems, @code{usleep} rejects attempts to sleep longer than 1 +second, as allowed by POSIX: +mingw. +@item +This function is missing on some platforms. However, the replacement +is designed to be lightweight, and may round to the neareset second; +use @code{select} or @code{nanosleep} if better resolution is needed: +IRIX 5.3, Solaris 2.4, older mingw, BeOS. @end itemize Portability problems not fixed by Gnulib: @itemize @item -This function is missing on some platforms: -IRIX 5.3, Solaris 2.4, mingw, BeOS. -@item According to POSIX, the @code{usleep} function may interfere with the program's use of the @code{SIGALRM} signal. On Linux, it doesn't; on other platforms, it may.